Bronchoalveolar lavage.
D001980:Bronchi / Q000473:pathology; D001999:Bronchoscopy; D006801:Humans; D008171:Lung Diseases / Q000473:pathology; D011379:Prognosis; D011650:Pulmonary Alveoli / Q000473:pathology; D012507:Sarcoidosis / Q000473:pathology; D007507:Therapeutic Irrigation